2024 Gmc At4x. Two engines will be offered in the 2024 gmc sierra hd, both of them displacing 6.6 l. View detailed specs, features and options for the 2024 gmc sierra 1500 4wd crew cab 147 at4x at u.s.

13.4 diagonal center touchscreen and 12.3 diagonal driver. 2025 gmc sierra 2500hd trims and pricing.